1. 新建一个Maven Web项目。
2. 配置pom.xml文件。
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.yws710.springboot</groupId>
<artifactId>demo1</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.4.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
</project> |
3. 编写控制器类
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package com.yws710.springboot.demo1.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
/** * Created by Administrator on 2017/7/19.
*/
@Controllerpublic class HelloController {
@ResponseBody
@RequestMapping("/hello")
public String hello() {
return "Hello, Spring Boot!";
}
} |
4. 编写启动类
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package com.yws710.springboot.demo1;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/** * Created by Administrator on 2017/7/19.
*/
@SpringBootApplicationpublic class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
} |
5. 启动项目。只需要运行上面代码的main方法，运行成功，控制台输出如下：
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"D:\Program Files\Java\jdk1.7.0_67\bin\java" ...
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.5.4.RELEASE)
省略部分信息2017-07-20 00:16:44.849 INFO 5388 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2017-07-20 00:16:44.858 INFO 5388 --- [ main] com.yws710.springboot.demo1.App : Started App in 5.835 seconds (JVM running for 6.364)
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6. 在浏览器中输入 http://localhost:8080/hello，显示结果如下：
好了，一个最简单的Web项目完成了。没有写任何的配置文件，也没有任何的xml文件（这里完全可以把web.xml文件删掉）。